Vapour actuated pressure spring thermometer does not require ambient temperature compensation. Ambient temperature compensation is provided in gas or liquid expansion pressure spring thermometer by
Options
A. making the volume of thermometer bulb as large as conveniently possible.
B. reducing the volume of the capillary to a minimum.
C. reducing the volume of the receiving element to a minimum.
D. all 'a', 'b' & 'c'.
Correct Answer
all 'a', 'b' & 'c'.
Process Control and Instrumentation problems
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1. When a bare thermocouple is covered by a protective sheath, the response becomes